Who folds this river? (possibly inane content, but I do have a poll)

[A_C_Slater]

Assume villian is an unknown. Stars $11 MTT.


PokerStars No-Limit Hold'em Tourney, Big Blind is t50 (9 handed) FTR converter on zerodivide.cx

MP2 (t5260)
MP3 (t960)
CO (t3870)
Button (t2100)
SB (t2820)
BB (t2285)
UTG (t2230)
Hero (t3405)
MP1 (t790)

Preflop: Hero is UTG+1 with Q[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t150</font>, <font color="#666666">5 folds</font>, SB calls t125, BB calls t100.

Flop: (t450) Q[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets t250</font>, SB calls t250, BB calls t250.

Turn: (t1200) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, BB checks, <font color="#CC3333">Hero bets t800</font>, SB calls t800, BB folds.

River: (t2800) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets t1620 (All-In)</font>, Hero..?