Is this right play with A-K?

[msb]

Are these calls on Flop and Turn correct? I figured any 5, K, A wins the pot... I had him on either a meduim/high pair or A-Q, K-Q, A-J (didn't read him for A-K, A-A, K-K, cause I figured he would have capped pre-flop)

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Ultimate Bet 0.25/0.50 Hold'em (8 handed)

Preflop: Hero is CO with A[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img]. Hero posts a blind of $0.25.
UTG folds, <font color="CC3333">UTG+1 raises</font>, MP1 folds, MP2 folds, <font color="CC3333">Hero (poster) 3-bets</font>, Button folds, SB folds, BB folds, UTG+1 calls.

Flop: (7.40 SB) 3[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="blue">(2 players)</font>
<font color="CC3333">UTG+1 bets</font>, Hero calls.

Turn: (4.70 BB) 6[img]/images/graemlins/spade.gif[/img] <font color="blue">(2 players)</font>
<font color="CC3333">UTG+1 bets</font>, Hero calls.

River: (6.70 BB) K[img]/images/graemlins/club.gif[/img] <font color="blue">(2 players)</font>
<font color="CC3333">UTG+1 bets</font>, <font color="CC3333">Hero raises</font>, UTG+1 calls.

Final Pot: 10.70 BB
<font color="green">Main Pot: 10.70 BB, between UTG+1 and Hero.</font> &gt; <font color="white">Pot won by Hero (10.70 BB).</font>

Results in white below: <font color="white">
UTG+1 shows Td Th (one pair, tens).
Hero shows As Kh (one pair, kings).
Outcome: Hero wins 10.70 BB. </font>