3/6(6-max): TT on 77222 board

[AceHiStation]

No reads on villain. Figured this was a tough board as any 7 has me beats, but 88/99/AK/33-66 may pay me off.

Party Poker No-Limit Hold'em, $ BB (6 max, 5 handed) FTR converter on zerodivide.cx

Hero ($1291.98)
MP ($600)
Button ($917.25)
SB ($582)
BB ($252.40)

Preflop: Hero is UTG with T[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/club.gif[/img]. MP posts a blind of $6. SB posts a blind of $3.
<font color="#CC3333">Hero raises to $30</font>, MP (poster) calls $24, <font color="#666666">3 folds</font>.

Flop: ($69) 7[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $50</font>, MP calls $50.

Turn: ($169) 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, MP checks.

River: ($169) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero???