Trouble playing overpairs

Was the preflop call standard? I assume so, but then what do I do on the flop? A reraise would commit a major chunk of my stack. Should I just push?

PokerStars Game #2902302126: Tournament #14116055, Hold'em No Limit - Level X (400/800) - 2005/10/26 - 22:56:23 (ET)
Table '14116055 116' Seat #6 is the button
Seat 1: TboneX (40454 in chips)
Seat 2: ptmarkg (12050 in chips)
Seat 3: pjabone (39019 in chips)
Seat 4: havcpro (4883 in chips)
Seat 5: Nut_FlushUB (33257 in chips)
Seat 6: goldyfishy (19920 in chips)
Seat 7: Percussion (34664 in chips)
Seat 8: barker625 (10652 in chips)
Seat 9: fioro (79379 in chips)
TboneX: posts the ante 50
ptmarkg: posts the ante 50
pjabone: posts the ante 50
havcpro: posts the ante 50
Nut_FlushUB: posts the ante 50
goldyfishy: posts the ante 50
Percussion: posts the ante 50
barker625: posts the ante 50
fioro: posts the ante 50
Percussion: posts small blind 400
barker625: posts big blind 800
*** HOLE CARDS ***
Dealt to goldyfishy [Ts Td]
fioro: folds
TboneX: raises 2400 to 3200
ptmarkg: folds
pjabone: folds
havcpro: folds
Nut_FlushUB: folds
goldyfishy: calls 3200
Percussion: folds
barker625: folds
*** FLOP *** [6c 5s 2s]
TboneX: bets 4000
Hero???