.02/.05 zoom

Open raise to .15 with JKo in hJ i believe it was.
Button calls.

Flop K34 two spades (we have none)
Hero bet half pot .15
Villain calls

(Pot .60)

Turn T (non spade)
Hero bets half .30
Villain raises to about $1
Hero calls

(Pot 2.60)

River 2 (non spade)
Hero checks
Villain jams about 3.21ish into about 2.60

Q1- what hands should villain be raising with on turn and why.

Q2 what hands does opponent have on river for value and bluffs and then do we call or fold
TIA