PokerStars No-Limit Hold'em, $1.00 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG+1 ($92.35)
MP1 ($113.70)
MP2 ($109.85)
CO ($116.35)
Button ($114.60)
SB ($116.85)
Hero ($100)
UTG ($113.15)

Preflop: Hero is BB with A, Q.
4 folds, CO raises to $3, 2 folds, Hero raises to $11, CO calls $8.

Flop: ($22.50) A, J, 2 (2 players)
Hero bets $14, CO calls $14.

Turn: ($50.50) Q (2 players)
Hero ???

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Villian just sat down and is an unknown.

What' s your play here?