Opponent is loose over small sample size. Sees roughly 1/3rd of flops. I do not have any info on his aggression.
I put opponent on a TPmehK or a J. I am experimenting on pushing nut hands and pushing as bluffs to set things up. Does this look good?

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($9.75)
MP ($11.70)
CO ($2)
Button ($6.05)
SB ($6.70)
Hero ($15.50)

Preflop: Hero is BB with J, A. CO posts a blind of $0.10.
1 fold, MP calls $0.10, CO (poster) checks, 1 fold, SB completes, Hero raises to $0.5, MP calls $0.40, CO folds, SB folds.

Flop: ($1.20) Q, 7, J (2 players)
Hero bets $0.9, MP calls $0.90.

Turn: ($3) 4 (2 players)
Hero checks, MP bets $1.2, Hero calls $1.20.

River: ($5.40) K (2 players)
Hero bets $12.9 (All-In)