Villain is decent reg.
Hero ($400)
BB ($539)
CO ($548)
BU ($400)
Dealt to Hero K Q
fold, BU raises to $10, Hero raises to $34, fold, BU calls $24
FLOP ($72) J 8 4
Hero bets $48, BU calls $48
TURN ($168) J 8 4 4
Hero checks, BU checks
RIVER ($168) J 8 4 4 K
Hero bets $116, BU raises to $318 (AI), Hero?