Villain is 26/7/1.75 over only about 42 hands

No-Limit Hold'em, $0.10 BB (6 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

saw flop

MP ($22.55)
CO ($23.40)
Hero (Button) ($10.40)
SB ($9.55)
BB ($9.70)
UTG ($9.55)

Preflop: Hero is Button with Q, J
2 folds, CO raises $0.30, Hero calls $0.30, 2 folds

Flop: ($0.75) J, K, J (2 players)
CO checks, Hero bets $0.75, CO calls $0.75

Turn: ($2.25) 10 (2 players)
CO checks, Hero bets $1.90, CO raises $4.10, Hero ?????