PokerStars No-Limit Hold'em, $0.10 BB (6 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Hero (SB) ($10.45)
BB ($10.30)
UTG ($24)
MP ($6.20)
CO ($10.75)
Button ($10)

Preflop: Hero is SB with 10, 10
UTG calls $0.10, 2 folds, Button raises to $0.50, Hero calls $0.45, BB calls $0.40, UTG calls $0.40

Flop: ($2) 5, 6, 3 (4 players)
Hero bets $1.50, 2 folds, Button raises to $9.50 (All-In), Hero folds

Total pot: $5 | Rake: $0.20

Results:
Button didn't show
Outcome: Button won $4.80

Villain has bigger overpair?