22 180 man Stars (flop the super nuts) in raised pot

[elcheapo]

PokerStars No-Limit Hold'em Tourney, Big Blind is t400 (8 handed) converter

CO (t5769)
Button (t19976)
SB (t4311)
Hero (t8835)
UTG (t10268)
UTG+1 (t23063)
MP1 (t7263)
MP2 (t16186)

Preflop: Hero is BB with 8[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">MP2 raises to t1200</font>, <font color="#666666">1 fold</font>, Button calls t1200, <font color="#666666">1 fold</font>, Hero calls t800.

Flop: (t3375) 5[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, MP2 checks, Button checks.

Turn: (t3375) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets t800</font>, MP2 folds, Button calls t800.

River: (t4975) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t1400</font>, Button calls t1400.

Final Pot: t7775

Flop check seemed warranted given the preflop betting action and my stack. The small bets were to hopefully get smacked down by a bluff or a strong hand given the passivity of the players on the flop. Bet more on the turn/river (how much??)