Button is 10/3/0.7 over 220 hands. How is this line?

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP3 ($12.55)
CO ($52.05)
Button ($20.45)
Hero ($31.75)
BB ($4.75)
UTG ($40)
UTG+1 ($10.70)
MP1 ($13.80)
MP2 ($27.80)

Preflop: Hero is SB with A, K.
UTG calls $0.25, 1 fold, MP1 calls $0.25, MP2 raises to $1, 2 folds, Button calls $1, Hero raises to $4, 1 fold, UTG folds, MP1 folds, MP2 calls $3, Button calls $3.

Flop: ($12.75) 7, A, 8 (3 players)
Hero checks, MP2 checks, Button bets $7, Hero raises to $14, MP2 folds, Button raises to $16.45, Hero calls $2.45.