NL10 AK Facing All-In Push Post Flop

[JJBuffone]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 6 Players - (LegoPoker HH Converter)

Villain (SB): $8.10
<font color="black">Hero (BB): $14.75</font>
UTG: $6.65
MP: $5.15
CO: $10.15
BTN: $3.75

<font color="black">Preflop:</font> Hero is dealt K[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img] (6 Players)
UTG folds, MP calls $0.10, CO folds, BTN calls $0.10, Villain calls $0.05, <font color="red">Hero raises to $0.70</font>, 2 folds, Villain calls $0.60

<font color="black">Flop:</font> ($1.60) 4 T K (2 Players)
<font color="red">Villain bets all-in for $7.40</font>, Hero calls $7.40

<font color="black">Turn:</font> ($16.40) K (2 Players - 1 All-In)

<font color="black">River:</font> ($16.40) 3 (2 Players - 1 All-In)

Pot Size: $16.40 ($1.60 Rake)

Do you guys make this call? Villain just sat down a few hands ago so I have no read. Is this a profitable call in the long run? What is the worst hand that you call with here? Thanks for the insight.