Villain running 16/14 over 30 something hands, no post-flop reads since sample and Zoom.

Villain's sizing looks really strong to me when a shove makes way more sense.

PokerStars Zoom No-Limit Hold'em, $0.50 BB (6 handed) - PokerStars Converter Tool from http://www.flopturnriver.com

Button ($61.59)
SB ($50)
Hero (BB) ($51.59)
UTG ($50.25)
MP ($46.07)
CO ($24.25)

Preflop: Hero is BB with A, K
2 folds, CO raises to $1.50, 2 folds, Hero raises to $4.50, CO calls $3

Flop: ($9.25) A, 7, J (2 players)
Hero bets $5.88, CO calls $5.88

Turn: ($21.01) Q (2 players)
Hero checks, CO bets $4.50, Hero folds