An overpair vs a raise from UTG

[ClimbRock512]

I don't think I like this line, and it leaves me stuck.

1.)What do I do here?
2.)More importantly, what is a better line?

Converter isn't working right, so I edited it slightly.

Party Poker (10 handed) converter

Preflop: Hero is UTG+1 with Q[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">8 folds</font>.

Flop: 5[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG bets $20. Heros raises to $55. UTG calls $35.

Turn: 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, Hero checks.

River: 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
UTG bets 180.45 (All-In), Hero folds.