50NL - TPTK facing shortstack AI on flop

[thing85]

Villain is unknown.

Poker Stars, $0.25/$0.50 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

UTG: $24.95
MP: $91.75
CO: $31.05
BTN: $65.90
SB: $98.90
Hero (BB): $50

Pre-Flop: K[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] dealt to Hero (BB)
UTG calls $0.50, MP folds, CO calls $0.50, 2 folds, <font color="red">Hero raises to $3</font>, UTG calls $2.50, CO calls $2.50

Flop: ($9.25) K[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/club.gif[/img] (3 Players)
<font color="red">Hero bets $7</font>, UTG folds, <font color="red">CO raises to $28.05 and is All-In</font>, Hero...?

Snap call? We know nothing about villain and he has a short stack (which, IMO, usually means they will push with a wide range). However, does villain make this play if he doesn't beat TPTK?

Sorry if this is a standard spot. Typical downswing/looking for verification of play hand.