$16: Toppair against a draw, early

[marsus]

Hi,

PokerStars Tournament, Big Blind is t20 (9 handed) Converter on pregopoker.com

UTG (t1530)
UTG+1 (t1500)
MP1 (t1500)
MP2 (t1490)
MP3 (t1700)
CO (t1330)
Button (t1470)
Hero (t1480)
BB (t1500)

Preflop: Hero is in SB with Q[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, CO calls t20, Button calls t20, Hero calls t10, BB checks

Flop: (t80) 3[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/club.gif[/img] (4 players)
<font color="red">Hero bets t60</font>, <font color="gray">BB folds</font>, <font color="gray">CO folds</font>, Button calls t60

Turn: (t200) 7[img]/images/graemlins/diamond.gif[/img] (2 players)
<font color="red">Hero bets t160</font>, Button calls t160

River: (t520) 6[img]/images/graemlins/club.gif[/img] (2 players)
Hero checks, <font color="red">Button bets t200</font>, Hero calls t200

How do you play this River? What is the highest betsize you would call here?