Folding an overpair?

[Sabrazack]

I hate having overpairs, i really do. When i fold them i feel bad because i know at this level people do all kinds of wierd crap. But when i call with them im always beat by a set. Should i call or fold this?

#Game No : 2214904482
***** Hand History for Game 2214904482 *****
NL Hold'em $10 Buy-in + $1 Entry Fee Trny:13139225 Level:1 Blinds(10/15) - Thursday, June 16, 05:01:23 EDT 2005
Table Table 35064 (Real Money)
Seat 2 is the button
Total number of players : 8
Seat 1: AMF888 ( $935 )
Seat 2: LucaJ ( $1655 )
Seat 3: CRONICWA509 ( $665 )
Seat 4: nagoy ( $835 )
Seat 5: jayjay200000 ( $1465 )
Seat 6: Wonkyone ( $760 )
Seat 9: HERO ( $785 )
Seat 10: simp302002 ( $900 )
Trny:13139225 Level:1
Blinds(10/15)
** Dealing down cards **
Dealt to HERO [ Th Ts ]
jayjay200000 calls [15].
Wonkyone calls [15].
HERO calls [15].
simp302002 calls [15].
AMF888 calls [15].
LucaJ folds.
CRONICWA509 calls [5].
nagoy checks.
** Dealing Flop ** [ 5d, 4c, 7d ]
CRONICWA509 checks.
nagoy checks.
jayjay200000 checks.
Wonkyone checks.
HERO bets [100].
simp302002 raises [200].
AMF888 folds.
CRONICWA509 folds.
nagoy folds.
jayjay200000 folds.
Wonkyone folds.
HERO calls [100].
** Dealing Turn ** [ 9s ]
HERO checks.
simp302002 is all-In [685]
HERO ??