Villain is 15/12, i chose not to shove the turn because if (even if its unlikely) he chose to do this on turn with AK, he would get away. He could also get away with AQ.

What do you do on this river? c/f, or r/f, or r/c

Full Tilt No-Limit Hold'em, $1.00 BB (8 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

CO ($123)
Button ($20)
SB ($24)
Hero (BB) ($100)
UTG ($153.85)
UTG+1 ($57.50)
MP1 ($98)
MP2 ($41.40)

Preflop: Hero is BB with 9, 9
UTG bets $4, 6 folds, Hero calls $3

Flop: ($8.50) 2, 9, Q (2 players)
Hero bets $5, UTG calls $5

Turn: ($18.50) A (2 players)
Hero bets $10, UTG raises to $31, Hero calls $21

River: ($80.50) Q (2 players)