Opp was rated 41/20/1.83 by PT over 160 hands. I normally dump AJs to a preflop raise, but this guy was raising 20% of his hands, so I thought that my AJs very well could be good, and I had position.

Hows my line on the flop, turn and river?

Party Poker No-Limit Hold'em, $ BB (6 max, 6 handed) FTR converter on zerodivide.cx

UTG ($30.29)
MP ($19.75)
CO ($34.57)
Hero ($25.70)
SB ($36.08)
BB ($26.05)

Preflop: Hero is Button with A, J. SB posts a blind of $0.10.
UTG raises to $1, 2 folds, Hero calls $1, 2 folds.

Flop: ($2.35) 4, K, T (2 players)
UTG bets $2, Hero raises to $6, UTG raises to $10, Hero calls $4.

Turn: ($22.35) 9 (2 players)
UTG bets $7, Hero calls $7.

River: ($36.35) J (2 players)
UTG bets $10, Hero folds.

Final Pot: $46.35