SB (Covers) - Wealthy middle-aged guy. Action junkie. Takes breaks to go play several hundred dollars a hand blackjack. Play is erratic, mostly loose passive but mixes in bluffs, sometimes big bluffs. Probably views Hero as winning, solid.
Preflop - UTG limps. MP limps. Hero raises to $25 in HJ with AdKdJs5s. SB, UTG, MP call. 4-way action.
Flop ($105) Kc 5c 2h. SB checks. UTG bets $50 with about $300 left. MP folds. Hero raises to $125. SB and UTG call.
Turn ($480) Kc 5c 2h Qs. SB checks. UTG ships his last $185. Hero has $1340 left and SB covers. Hero?