[Closed] NL10 AK flop 57K against 2 callers - 1/2 bet?

Hi,

When I floped top pair with AK and 2 callers I bet only 1/2 pot to keep them in. one called, the other folded. Was this wrong? or just a bad beat?

thanks, R

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.05/$0.1 No-Limit Hold'em (9 handed)

Known players:
[tg]MP1$3.90:///////;MP2$5.02:///////;MP3$9.85:///////;CO$11.12:///////;BU$10.43:///////;SB$19.98:///////;BB$3.87:///////;UTG1$18.26:///////;UTG2(Hero)$1.90:///////;[/tg]
Preflop: Hero is UTG2 with A:d, K:h.
UTG1 folds, Hero raises to $0.4, MP1 calls $0.40, 5 folds, BB calls $0.30.

Flop: ($1.25) 7:c, 5:h, K:s (3 players)
BB checks, Hero bets $0.59, MP1 calls $0.59, BB folds.

Turn: ($2.43) 6:d (2 players)
Hero raises to $0.91(All-In), MP1 calls $0.91.

River: ($4.25) 6:c (2 players)

Final Pot: $4.25.

Results follow:

MP1 shows three of a kind, sixs (4:s 6:s)
Hero shows two pairs, kings and sixs (A:d K:h)
MP1 wins with three of a kind, sixs (4:s 6:s).