$33: AA hand.. what to do?

[chipzilla]

Seat 10 is the button
Total number of players : 10
Seat 1: Gigababe (780)
Seat 2: THEBUM1 (655)
Seat 3: DaPhatAce (1020)
Seat 4: HERO (980)
Seat 5: yunonymous (880)
Seat 6: Martin19811 (782)
Seat 7: Snow88Man (750)
Seat 8: aurelie_23 (785)
Seat 9: Morten271 (535)
Seat 10: godiva150 (833)
Gigababe posts small blind (15)
THEBUM1 posts big blind (30)
** Dealing down cards **
Dealt to HERO [ As, Ah ]
DaPhatAce calls (30)
HERO raises (100) to 100
yunonymous folds.
Martin19811 folds.
Snow88Man folds.
aurelie_23 folds.
Morten271 folds.
godiva150 folds.
Gigababe folds.
THEBUM1 folds.
DaPhatAce calls (70)
** Dealing Flop ** : [ Th, 7d, 6c ]
DaPhatAce checks.
HERO bets (180)
DaPhatAce calls (180)
** Dealing Turn ** : [ 8c ]
DaPhatAce bets (175)
HERO?


Actually.. I called the turn bet and faced with an all-in bet on the river.. What are your thoughts on this hand?