Villain is pretty fishy. Slowplays a ton pre and postflop. He peels any pair and any draw on the any flop. He'll release on the turn if he has nothing at all. Rarely bluffs, and if he makes a river bet it's always for value. He can take small stabs on the turn when checked to but that's about it.
Hero is dealt J♣ J♥
UTG straddles 6, Hero raises to 20, 1 fold, MP calls 20, 5 folds, UTG calls 14
Flop (64): J♠ 6♦ 4♥
UTG checks, Hero bets 40, MP calls 40, UTG folds
Turn (144): 4♣