Rivered 2 pair --raise or call?

[Proofrock]

$30r (6max) tournament. I was moved to the table a few orbits ago, so no meaningful reads.

Poker Stars
No Limit Holdem Tournament
Blinds: t100/t200
6 players
Converter

Stack sizes:
UTG: t16385
UTG+1: t15703
Hero: t12285
Button: t15065
SB: t10790
BB: t9450

Pre-flop: (6 players) Hero is CO with A[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/diamond.gif[/img]
2 folds, <font color="#cc0000">Hero raises to t600</font>, 2 folds, BB calls t400 <font color="aaaaaa">(pot was t900)</font>.

Flop: 5[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] (t1300, 2 players)
BB checks, <font color="#cc0000">Hero bets t800</font>, BB calls t800 <font color="aaaaaa">(pot was t2100)</font>.

Turn: Q[img]/images/graemlins/spade.gif[/img] (t2900, 2 players)
BB checks, Hero checks.

River: J[img]/images/graemlins/club.gif[/img] (t2900, 2 players)
<font color="#cc0000">BB bets t1600</font>, <font color="#cc0000">Hero ...