50NL 6m JJ overpair vs. maniac

[nogenius]

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($49.70)
UTG ($24.50)
MP ($144)
CO ($36.75)
Button ($48.75)
SB ($39.85)

Preflop: Hero is BB with J, J.
1 fold, MP raises to $2.5, CO calls $2.50, 2 folds, Hero raises to $8.5, MP calls $6, CO folds.

Flop: ($19.75) 3, 9, 7 (2 players)
Hero bets $12, MP raises to $71, Hero ???

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Villian is 60/24/0.89 over 100 hands. He's stacked off with TT all-in PF and also shown down some very weak hands.

Do you make the call here? What about without the J of diamonds?

[IowaSkinsFan]

Yes easy call, without the J of diamonds I probably still call but it's closer.