nl 100 bottom set v rock

[IsaacAsimov]

Party Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 4 Players - (LegoPoker HH Converter)

<u>Hero (SB): $133.65</u>
BB: $39.60
<u>UTG: $206.40</u>
BTN: $115.50

<font color="black">Preflop:</font> Hero is dealt 8[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/club.gif[/img] (4 Players)
<font color="red">UTG raises to $4</font>, BTN folds, Hero calls $3.50, BB folds

<font color="black">Flop:</font> ($9) J[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">UTG bets $6</font>, <font color="red">Hero raises to $18</font>, <font color="red">UTG raises to $48</font>

Villain is 13/11 over 93 hands. My image is TAG. I don't see him making that reraise with a monster draw and I don't think he is playing AA, KK for stacks. Thoughts? Is it weak to fold here?