AQc

I think I over played this, but he did not bet back hence why I kept going!!

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.01/$0.02 No-Limit Hold'em (6 handed)

Known players:
[tg]BU$2.61:///////;SB$2.19:///////;BB (Hero)$2.00:///////;MP2$3.10:///////;MP3$1.28:///////;CO$0.92:///////;[/tg]

Preflop: Hero is BB with A:c, Q:c.
2 folds, CO calls $0.02, BU raises to $0.06, SB folds, Hero raises to $0.18, CO folds, BU calls $0.12.

Flop: ($0.39) 8:s, Q:h, 6:s (2 players)
Hero bets $0.30, BU calls $0.30.

Turn: ($0.99) T:d (2 players)
Hero bets $0.68, BU calls $0.68.

River: ($2.35) 2:d (2 players)
Hero bets $0.84, BU calls $0.84.

Final Pot: $4.03.
Results follow:

Hero shows a pair of queens(A:c Q:c).
BU shows a pair of kings(K:s K:d).

BU wins with a pair of kings(K:s K:d).