FTP 50/50: Flopped set on UGH river

[fsoyars]

No reads except that villain is the tourney CL. Line check and river thoughts pls.

Full Tilt Poker
No Limit Holdem Tournament
Blinds: t80/t160
9 players
Converter

Stack sizes:
UTG: t8332
UTG+1: t2378
Hero: t2390
MP2: t7670
MP3: t15962
CO: t8700
Button: t4966
SB: t7090
BB: t2260

Pre-flop: (9 players) Hero is MP1 with 7[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/club.gif[/img]
2 folds, <font color="#cc0000">Hero raises to t400</font>, MP2 folds, MP3 calls t400 <font color="aaaaaa">(pot was t640)</font>, 4 folds.

Flop: A[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/heart.gif[/img] (t1040, 2 players)
<font color="#cc0000">Hero bets t550</font>, MP3 calls t550 <font color="aaaaaa">(pot was t1590)</font>.

Turn: K[img]/images/graemlins/spade.gif[/img] (t2140, 2 players)
Hero checks, MP3 checks.

River: Q[img]/images/graemlins/heart.gif[/img] (t2140, 2 players)
Hero checks, <font color="#cc0000">MP3 is all-in t15012</font>, Hero?