$6.5 JJ from SB vs BB on monotone flop with A

[PepsPersson]

PokerStars (Tournament): $6 + $0,50, 7 players
Wed Nov 14 04:28:01 CET 2007
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<font color="#ff8c00">Hero ($3 100)</font>
BB ($1 455)
B4 ($1 440)
B3 ($1 575)
B2 ($1 425)
B1 ($3 195)
BN ($1 310)

BN is the button.

Precards:
<font color="#ff8c00">Hero posts the small blind $25</font>, BB posts the big blind $50.

Preflop: Hero is dealt J[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/diamond.gif[/img] (7 active)
<font color="#666666">5 folds</font>, <font color="#ff8c00">Hero raises to $200</font>, <font color="#6495ed">BB calls $150</font>.

Flop: 9[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/spade.gif[/img] ($400, 2 active)

I find myself lost in situations like these. Whats my gameplan? Villain hasnt made much noise so far.