For a Priest I will give (at least in the beginning levels) Spirit some extra point or try to find equipment that boost Spirit.
Further on go also for extra Vitality and since it is always wise to have at least 1 kind of weapon with you (even if you "try" to play as a pure Priest!), choose the kind of weapon you like most (bow, 1-handed or 2-handed melee weapon) and search for one you love .
Then again, you must decide between magical, balanced or normal (melee/ranged) damage weapon and so you can choose to improve other stats, depending on your weapons damage
And if I decide to also take 1 or 2 magical spells in case of ... I always put more points in Intelligence, no matter what weapon I use !
That is what I should do for a Priest (and for most other types starting distribute statpoints the first ca 10 - 15 levels).