5/10 Reraising QQ PF

[BuBu_]

UTG isn't too hot, but doesn't raise much before flop. Button is unknown.

Stacks:
UTG: $740
Button: $540
Hero: $980

Tables is 6handed, Hero is dealt Q [img]/images/graemlins/spade.gif[/img]Q [img]/images/graemlins/club.gif[/img] in BB

UTG raises to $40, button calls, Hero reraises to $160, both call.

FLOP $480 3players
K [img]/images/graemlins/spade.gif[/img]T [img]/images/graemlins/spade.gif[/img]7 [img]/images/graemlins/spade.gif[/img]
UTG has $580 left. Button has $380 left. Hero goes allin

Comments and any useful related Maths appreciated. Thanks