100NL 6max JJ against unknown

[Indomitus]

No-Limit Texas Hold'em (NL100), $1.00 BB (6 handed)

MP3 ($141.95)
CO ($100)
Button ($106.3)
SB ($210.77)
BB ($65.35)
Hero ($98.5)

SB: Post SB $0.50
BB: Post BB $1.00

Preflop:
Hero is MP2 with J[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/diamond.gif[/img]
Hero Raise $4
MP3 Call $4
<font color="#666666">4 folds</font>

Flop:($9.5) 2[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/spade.gif[/img]<font color="#0030DD">(2 players)</font>
Hero Bet $7
MP3 Raise $22
Hero Raise $44
MP3 Raise $111
Hero Allin $43.5

Turn:($237) Q[img]/images/graemlins/heart.gif[/img]<font color="#0030DD">(2 players, 2 all-in)</font>

River:($237) 2[img]/images/graemlins/club.gif[/img]<font color="#0030DD">(2 players, 2 all-in)</font>





Villain is unknown he played only one hand in 10.I sat at table and played only few hands.
Well flop bet is standart,but was it worth to reraise?Maybe fold here is an option against unknown?Also when i called his rr all in-not really sure about that(i thought that i was pot committed).but was it really that?