22's - 99 overpair on the button

[SammyKid11]

How do you guys play these medium pockets on the button in situations like this where there's a moderate raise and you flop an overpair?

***** Hand History for Game 2926670092 *****
15/30 TOURNEY TEXAS HOLD'EM GAME TABLE (NL) (TOURNAMENT 16853031) - MON OCT 24 21:26:25 EDT 2005
Table Table 67395 (Real Money) -- Seat 1 is the button
Total number of players : 10
Seat 1: Hero (775)
Seat 2: SeatownTilt (795)
Seat 3: Alvamatrix (785)
Seat 4: bigtrade (870)
Seat 5: GrapeDrink (785)
Seat 6: Dawgugafan (760)
Seat 7: drjuicee (863)
Seat 8: Thecoats (777)
Seat 9: georgem1948 (770)
Seat 10: SleepyEd (820)
SeatownTilt posts small blind (10)
Alvamatrix posts big blind (15)
** Dealing down cards **
Dealt to dhde1328 [ 9h, 9c ]
bigtrade folds.
GrapeDrink folds.
Dawgugafan folds.
drjuicee folds.
Thecoats raises (55) to 55
georgem1948 folds.
SleepyEd folds.
Hero calls (55)
SeatownTilt folds.
Alvamatrix calls (40)
** Dealing Flop ** : [ 2d, 6s, 5s ]
Alvamatrix checks.
Thecoats bets (175)
Hero???????????????