Set O' 10's - How badly did I chicken out on this river?

[gvibes]

The only hand that could play this way and that beats me is QQ or maybe AK/AJ spades. Am I seeing monsters?

MP2 was 50/4.5/.6 after about 100 hands

Party Poker 0.5/1 Hold'em (9 handed) converter

Preflop: Hero is Button with T[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/club.gif[/img].
UTG calls, <font color="#666666">2 folds</font>, <font color="#CC3333">MP2 raises</font>, <font color="#666666">1 fold</font>, CO calls, <font color="#CC3333">Hero 3-bets</font>, <font color="#666666">2 folds</font>, UTG calls, MP2 calls, CO calls.

Flop: (13.50 SB) 4[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
UTG checks, MP2 checks, CO checks, <font color="#CC3333">Hero bets</font>, UTG calls, MP2 calls, CO folds.

Turn: (8.25 BB) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">UTG bets</font>, MP2 calls, <font color="#CC3333">Hero raises</font>, UTG calls, MP2 calls.

River: (14.25 BB) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, MP2 checks, <font color="#CC3333">Hero bets</font>, UTG folds, <font color="#CC3333">MP2 raises</font>, Hero calls.

Final Pot: 18.25 BB