This guy is like 9/4 over like 2k+ hands. Being so tight I'm figuring the absolute worst he can be holding is AQ, with AK and full houses having me heavily dominated. Do you guys agree or should I call this.

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($29.95)
UTG+1 ($26.50)
MP1 ($27.70)
MP2 ($45.25)
Hero (CO) ($25)
Button ($24.15)
SB ($25.05)
BB ($14.55)

Preflop: Hero is CO with Q, A
4 folds, Hero raises to $1, Button calls $1, 2 folds

Flop: ($2.35) 9, A, A (2 players)
Hero checks, Button bets $2.25, Hero raises to $5.25, Button raises to $23.15 (All-In), Hero ........