In the current state of the game i'd run something similar to this:
http://tools.dboglobal.to/?tool=Skill-Calculator&class=Poko-Priest&build=0504110010001000100004003031000011541015740450024000
I removed the SP from a few of the kid tree line as i wouldn't personally play them on a Poko. If you're doing solo PvE then the regular "Healing Wave" is more than enough to keep you alive between attacks. Should you need another heal then the "Divine Healing" (AoE heal) Is also there at 4/4.
I took the SP out of Kaio (leaving it with 1) as we all know speed has been capped and there's really no reason to run it especially at lvl 3 when you're a healing class (for speed parties as everyone keeps mentioning they're "ruined") on a Poko when you can have buffs and heal yourself to sort out your EP and LP needs.
I took a lot of SP out of your kid attacks as you'll likely not be using them unless you're bored and have time and EP to kill. I removed the 1 SP from the 2 energy barrages and put one into the "Staff Slash" this is so that you don't have to use 3 SP to get Ignite to lvl 2 and access the KD from the RP menu on it (that will help you in PvP)
Since the Dragon God summons don't function yet i put them down to 1 SP and used the SP in boosting your attacks. I put 4 S into "Poko Curse" for PvP. I also threw the SP onto the "Second Law of the Demon Stones" This is because it's an AoE Bleed. DoT has had a big boost recently and will do much more than the 175 providing you have good energy
"Kamis Protection" has been put to 5/5 should you need/want to prevent damage when farming a lot of mobs at PvE and you need to secure a moment or 2 when casting skills or against a daunting foe in PvP.
i did take the SP out of both "Kamis Belief and Kamis Awakening" (see above for Awakening reasons) as you're a healing class. Sure it would be nice to do more damage but the point of the Dende and Poko is to outlast their foe. You'll likely be attacking 1-4 times and then healing yourself and repeating the combo you just did.
In terms of gear you'll be wanting to have at least 2 of your pieces of armour have CON so that you have the LP to withstand attacks while you're attacking and i'd suggest one of them having Focus to ensure your paralyze and DoT land when you want them to. On your staff i'd suggest running with either a Crit% or Crit Rate so that when you do use your bleed you can potentially wipe out the mobs quicker if not you can always go for Focus in combination with your gear armour to further boost your chances of landing your paralyze and bleed.
Would be cool to hear any ideas to bounce around in regards to either build with you. (or anyone else as long as it's done civilly)
Naturally this build if not what i would run back in TW. i'm thinking more of the current game state. things will change as more is implemented and then fixed