50NL: KK in a deep stack war

[PureNHL]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $46.80
Hero (BB): $90.35
UTG: $100.85
MP: $19.75
CO: $24.65
BTN: $115.95

Preflop: Hero is dealt K[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/spade.gif[/img] (6 Players)
3 folds, <font color="red">BTN raises to $1.50</font>, SB calls $1.25, <font color="red">Hero raises to $6.50</font>, BTN calls $5.00, SB calls $5.00

Flop: ($19.50) 7[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] (3 Players)
SB checks, <font color="red">Hero bets $19.50</font>, <font color="red">BTN raises to $39.00</font>, SB folds, <font color="red">Hero raises all-in to $83.85</font>

Good shove on this flop? Villain is 55.9/25.8/2.27. We have been pretty action heavy back and forth.