Folding overpairs?

[David1234]

or not?
villain is 20/15, no great reads, he did 4bet me when i squeezed his utg raise earlier.

Full Tilt Poker
No Limit Hold'em Cash Game
$1/$2 Blinds
5 Players - (LegoPoker HH Converter)

SB: $208.00
Hero (BB): $214.45
UTG: $42.75
CO: $535.85
BTN: $131.00

Preflop: Hero is dealt Q Q[img]/images/graemlins/spade.gif[/img] (5 Players)
<font color="red">Hero raises to $6.00</font>, UTG folds, CO calls $6.00, BTN folds, SB folds

Flop: ($14) 7[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/spade.gif[/img] J (2 Players)
<font color="red">Hero bets $9.00</font>, CO calls $9.00

Turn: ($32) 7[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/spade.gif[/img] J 7 (2 Players)
<font color="red">Hero bets $24.00</font>, <font color="red">CO raises to $104.00</font>