Going broke w Overpair?

[ACChan]

No real reads on Vilain, not playing a lot of hands seems tight. he just sat down about 3 orbits ago.

0.25|0.50 No Limit - Cash Game) Real Money

- A sitting in seat 1 with $55.85 [Dealer]
- B sitting in seat 2 with $56.53
- C sitting in seat 3 with $37.99
- D sitting in seat 4 with $53.00
- HERO is MP+1 sitting in seat 5 with $103.24
- VILAIN is CO sitting in seat 6 with $63.58

B posted the small blind - $0.25
C posted the big blind - $0.50
** Dealing card to HERO: Q[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/diamond.gif[/img]
D folded
HERO raised - $2.00
VILAIN raised - $3.50
XXXX folded
XXXX folded
XXXX folded
HERO called - $3.50

** Dealing the flop: 4[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/spade.gif[/img] [7,75]
HERO checked
VILAIN bet - $3.87
HERO raised - $9.50
VILAIN raised - $15.13
HERO called - $15.13

** Dealing the turn: 5[img]/images/graemlins/diamond.gif[/img] [38,01]
HERO checked
VILAIN bet - $19.00
HERO went all-in - $84.61

do i have to pay off 44/99/56/57/ or KK/AA here.
pls comment all streets! am i really playing for stacks here?