I have no reads on either player. UTG just sat down.

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

UTG ($6.40)
UTG+1 ($5.25)
MP1 ($24.80)
MP2 ($10.70)
MP3 ($1.85)
CO ($10.75)
Button ($4.90)
SB ($1.85)
Hero (BB) ($25.20)

Preflop: Hero is BB with 9, 10
UTG bets $0.20, UTG+1 calls $0.20, 1 fold, MP2 calls $0.20, 3 folds, SB calls $0.15, Hero calls $0.10

Flop: ($1) 9, 5, A (5 players)
SB checks, Hero bets $0.90, UTG calls $0.90, UTG+1 calls $0.90, 2 folds

Turn: ($3.70) 3 (3 players)
Hero checks, UTG bets $1, UTG+1 calls $1, Hero???