NL50 JJ second barrels turn on monotone flop deep

[Parvex]

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($51.70)
BB ($75.60)
UTG ($214.10)
MP ($83.35)
CO ($103.65)
Hero ($122.90)

Preflop: Hero is Button with J[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">CO raises to $2</font>, <font color="#CC3333">Hero raises to $7</font>, <font color="#666666">2 folds</font>, CO calls $5.

Flop: ($14.75) 6[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
CO checks, <font color="#CC3333">Hero bets $10</font>, CO calls $10.

Turn: ($34.75) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
CO checks, <font color="#CC3333">Hero bets $25</font>

Villain is 20/7/2. Over ~250 hands.

Good Idea to second barrel this one?