I dont know what else he's betting with besides the Ac.
PokerStars No-Limit Hold'em, $0.05 BB (4 handed)
Hand History Converter Tool from
FlopTurnRiver.com (Format: FlopTurnRiver)
saw flop|
saw showdown
Hero ($10.12)
BB ($12.90)
UTG ($0.36)
Button ($9.52)
Preflop: Hero is SB with Q

, 7

.
UTG calls $0.05, Button calls $0.05, Hero completes, BB checks.
Flop: ($0.20) 5

, K

, 6
(4 players)
Hero checks,
BB bets $0.2, UTG folds, Button folds,
Hero raises to $0.5, BB calls $0.30.
Turn: ($1.20) 4
(2 players)
Hero bets $0.95,
BB raises to $2.5, Hero calls $1.55.
River: ($6.20) Q
(2 players)
Hero checks,
BB bets $7, Hero ?
Final Pot: $6.20