$22: Weird hand OOP

[Taraz]

How do you play this hand? Comments on all streets appreciated.

Party Poker No-Limit Hold'em Tourney, Big Blind is t30 (7 handed) converter

Hero (t1670)
BB (t1575)
UTG (t830)
MP1 (t625)
MP2 (t1145)
CO (t1240)
Button (t915)

Preflop: Hero is SB with Q[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, MP1 calls t30, <font color="#666666">1 fold</font>, CO calls t30, Button calls t30, Hero completes, BB checks.

Flop: (t150) 6[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(5 players)</font>
Hero checks, BB checks, MP1 checks, <font color="#CC3333">CO bets t30</font>, Button calls t30, Hero calls t30, BB calls t30, MP1 folds.

Turn: (t270) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, BB checks, <font color="#CC3333">CO bets t30</font>, Button calls t30, Hero calls t30, BB folds.

River: (t360) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">CO bets t30</font>, Button folds, Hero calls t30.

Final Pot: t420