Villain is unknown had with no reads only seen him about 7 or 8 hands

Merge Network $0.02/$0.04 No Limit Hold'em - 7 players -
SB: $3.84
BB: $3.06
Hero (UTG): $4.24
UTG+1: $2.09
MP: $13.36
CO: $7.45
BTN: $2.73

Pre Flop: ($0.06) Hero is UTG with J J
Hero raises to $0.12??, 1 fold, MP calls $0.12, 1 fold, BTN calls $0.12, 1 fold, BB calls $0.08

Flop: ($0.50) 6 9 7 (4 players)
BB checks, Hero bets $0.32??, MP folds, BTN calls $0.32, BB folds

Turn: ($1.14) 2 (2 players)
Hero checks, BTN bets $0.50, Hero calls $0.50??

River: ($2.14) T (2 players)
Hero checks, BTN bets $0.96, Hero??

Should I raise this more pre?? Is turn a fold? I am pretty sure I should fold this river B/c what would he have that we beat that would bet out like this on the river??

Thanks guys