99 in SB

10 $ Freezeout tournament on Prima. 17/220 left.
Hero has 17 500 and is in SB. BB is a small stack with about 5 000. Villain has about 50 000 and is on the button. Blinds 500/1000. Villain has been playing aggressively and been raising lots of pots. Folded to Villain who makes it 5 000 to go. Hero looks down at 99. Hero ??

Results will follow.