$11 PP: Midpairs, what it do ?

[holy32]

I'm sometimes lost with midpairs when the blinds are at 50/100 and I've got a >12bb stack. Also would like suggestions on same situation with 66-JJ and if UTG hadn't limped.

Party Poker
No Limit Holdem Tournament
Blinds: t50/t100
7 players
Converter

Stack sizes:
UTG: t3760
Hero: t1640
MP1: t2020
CO: t2240
Button: t2020
SB: t5590
BB: t2730

Pre-flop: (7 players) Hero is UTG+1 with 8[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/club.gif[/img]
UTG calls t100 <font color="aaaaaa">(pot was t150)</font>, Hero ???