9 handed 1/2, hero gets dealt K
K
and raises one limper to 20/350. Hero is in MP playing TAG. BTN calls 20/200, SB calls 20/180, limper calls 20/155.
Flop ($80): 9
5
4
Checked to hero by SB and EP limper. Hero bets $60.
BTN folds. SB briefly pauses and calls. Limper folds.
SB has just sat down maybe 5 hands ago and bought in full. Hero has never played with him before. SB hasn't shown any hands so far.
Turn ($200): K
SB checks. Hero checks.
River ($200): Q
SB open shoves for $100. Hero?
Thanks for comments.