Thanks for all the replies.

I'm ashamed to say that I saw MUB. I wussed out and checked the river. I promise to never do that again in a similar situation.

Even though I played it incorrectly, I probably got an extra BB by checking.

Ultimate Bet 1/2 Hold'em (10 handed) internettexasholdem.com

Preflop: Hero is BB with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">MP1 raises</font>, <font color="#666666">5 folds</font>, <font color="#CC3333">Hero 3-bets</font>, MP1 calls.

Flop: (6.50 SB) T[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, MP1 calls.

Turn: (4.25 BB) T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">MP1 raises</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">MP1 caps</font>, Hero calls.

River: (12.25 BB) K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP1 bets</font>, Hero calls.

Final Pot: 14.25 BB

Results in white below: <font color="#FFFFFF">
Hero has Kc Kd (full house, kings full of tens).
MP1 has Jd Ac (three of a kind, tens).
Outcome: Hero wins 14.25 BB. </font>