Villain is fairly new to the table. This is the first hand I'm involved with him. He's played a couple hands earlier, but seemed like a pretty weak/passive player overall imo. Do I play for villain's stack or flat here? Whats the +EV play?
7 handed
Hero = UTG+1, K9
, ~$335
UTG (~400) call, hero raises to 10, 2 folds, BTN (~220) calls, SB folds, BB (~260) calls, UTG calls
Pot = 41
Flop = J
5
3
2 checks, hero bets 25, BTN folds, BB calls, UTG folds
Pot = 91
Turn = Q
Check, hero bets 55, BB calls
River = 6
BB bets 80, hero ????