2nl - QJ w/ turned top pair wtf do i do

Winning Poker Network - $0.02 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4

Hero (CO): $5.18
BTN: $1.23
SB: $1.86
BB: $1.82
UTG: $3.75
MP: $1.12

SB posts SB $0.01, BB posts BB $0.02

Pre Flop: (pot: $0.03) Hero has Q J

fold, fold, Hero raises to $0.06, BTN calls $0.06, fold, fold

Flop: ($0.15, 2 players) 8 4 3
Hero bets $0.10, BTN calls $0.10

Turn: ($0.35, 2 players) J
Hero bets $0.22, BTN raises to $0.44, Hero calls $0.22

River: ($1.23, 2 players) 6
Hero checks, BTN bets $0.63 and is all-in Hero???

Villain was spewy and a bit of a blufftard. I had been in a couple of pots with him earlier where he bluffed river just like this in a similar situation and I called and won the pot. Villain was running @ 37/13/0 over 249 hands.