Not much info on villain. 36/9 through 11 hands.

PokerStars - $0.02 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4

MP: $0.35
CO: $1.05
Hero (BTN): $2.00
SB: $2.21
BB: $1.62
UTG: $2.81

SB posts SB $0.01, BB posts BB $0.02

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

fold, fold, fold, Hero raises to $0.06, fold, BB raises to $0.10, Hero calls $0.04

Flop: ($0.21, 2 players) 3 3 Q
BB bets $0.10, Hero calls $0.10

Turn: ($0.41, 2 players) J
BB bets $0.22, Hero calls $0.22

River: ($0.85, 2 players) 2
BB bets $1.20 and is all-in, Hero ???

What are we putting villain on? This bet on river just feels like a bluff, I'm thinking villain has probably missed a draw? Does he think I was drawing from just calling 2 small-ish bets?