Guy sat down recently, I decided to 3b AQ for value

Full Tilt Pot-Limit Hold'em, $1.00 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

UTG ($100)
MP ($89.55)
CO ($142.75)
Button ($110)
Hero (SB) ($189)
BB ($163.75)

Preflop: Hero is SB with Q, A
2 folds, CO calls $1, Button bets $4.50, Hero raises to $15, 2 folds, Button calls $10.50

Flop: ($32) 9, A, 8 (2 players)
Hero bets $15, Button calls $15

Turn: ($62) 6 (2 players)
Hero bets $30, Button raises to $60, Hero ?

Is this a snap fold because a minraise is pretty much a shove here