Should I call against laggy medium stack

[Pudge714]

FullTiltPoker Game #242346969: $50 + $5 Sit & Go (1551942),
Doobie had been playing fairly laggy and he would often overbet push. Even without someone opening the pot
Seat 1: Pokerbiotch57 (1,520)
Seat 2: Hero (6,860)
Seat 5: doobie2003k (5,120)
doobie2003k posts the small blind of 150
Pokerbiotch57 posts the big blind of 300
The button is in seat #2
*** HOLE CARDS ***
Dealt to Hero [9c 9d]
Hero raises to 1,050
doobie2003k raises to 5,120, and is all in
Pokerbiotch57 folds
Hero?