[$3.40] Valuebet river?

[Niggel]

Poker Stars
No Limit Holdem Tournament
Blinds: t25/t50
10 players
Converter

Stack sizes:
UTG: t2810
UTG+1: t1215
UTG+2: t1330
MP1: t1210
MP2: t1645
MP3: t830
CO: t1585
Button: t1525
SB: t1415
Hero: t1435

Pre-flop: (10 players) Hero is BB with 9[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/diamond.gif[/img]
UTG calls t50 <font color="aaaaaa">(pot was t75)</font>, 6 folds, Button calls t50 <font color="aaaaaa">(pot was t125)</font>, SB folds, Hero checks.

Flop: Q[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/club.gif[/img] (t175, 3 players)
Hero checks, UTG checks, Button checks.

Turn: K[img]/images/graemlins/spade.gif[/img] (t175, 3 players)
<font color="#cc0000">Hero bets t100</font>, UTG folds, Button calls t100 <font color="aaaaaa">(pot was t275)</font>.

River: Q[img]/images/graemlins/spade.gif[/img] (t375, 2 players)
<font color="#cc0000">Hero bets t150</font>, Button calls t150 <font color="aaaaaa">(pot was t525)</font>.

Results:
Final pot: t675

Button is fairly loose.
Check/call turn to keep the pot small?
Valuebet the river?