I just arrive at the table. The way this guy played the hand + his stack size gave me good reason to believe he is a complete donk.

Do you guys like checking back the turn here to induce weaker hands to get bluffy on the river?

This hand was kind of akward based on the effective stack.

PokerStars No-Limit Hold'em, $0.10 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Button ($10)
SB ($4.65)
BB ($13.85)
UTG ($3.65)
UTG+1 ($5)
MP1 ($4.90)
MP2 ($11.95)
Hero (MP3) ($10)
CO ($6.60)

Preflop: Hero is MP3 with Q, A
1 fold, UTG+1 (poster) checks, 2 folds, Hero bets $0.50, 1 fold, Button calls $0.50, SB calls $0.45, 2 folds

Flop: ($1.70) J, A, 10 (3 players)
SB bets $0.30, Hero raises to $1.20, 1 fold, SB calls $0.90

Turn: ($4.10) 7 (2 players)
SB checks, Hero bets $3, SB calls $2.95 (All-In)

River: ($10) 10 (2 players, 1 all-in)

Total pot: $10 | Rake: $0.45

Any thoughts on a range assignment here to this unknown?

Edit: about that flop raise......