NL50 QQ vs. unk-reg

Posted 8 years, 11 months ago

Blinds: $0.25/$0.50 (5 Players) BB: $51.83 (Hero)
UTG: $53.39
CO: $69.06
BN: $52.43
SB: $100.68

Preflop ($0.75) Hero is BB with Q Q

UTG raises to $1.50, CO folds, BN calls $1.50, SB folds, Hero raises to $6.50, UTG calls $5.00, BN folds

Flop ($14.75) J 3 9

Hero bets $7.01, UTG calls $7.01

Turn ($28.77) J 3 9 4

Hero bets $13.67, UTG calls $13.67

River ($56.11) J 3 9 4 7

Hero bets $24.65 and is all in, UTG calls $24.65

Got only 50 hands on villain - 20/14, so basically unknown reg with passive tendencies so far.
BTN is a fish if that change anything.

What you think about river?
Is NL50 tight enough and regulars are so solid that this is no longer viable spot for bet/bet/bet?
Is this x/f river?