I hate taking this line as a bluff (bet/check/bet) since it is so weak, buuuuut was it OK here since my range would have a lot of Ax?

Full Tilt No-Limit Hold'em, $0.50 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

UTG ($50)
MP ($41.15)
CO ($87.90)
Button ($56.70)
Hero (SB) ($66.75)
BB ($50)

Preflop: Hero is SB with J, J
1 fold, MP calls $0.50, CO calls $0.50, 1 fold, Hero raises to $3.50, 2 folds, CO calls $3

Flop: ($8) 8, Q, 7 (2 players)
Hero bets $5, CO calls $5

Turn: ($18) 3 (2 players)
Hero checks, CO checks

River: ($18) A (2 players)
Hero bets $10