Q9s hand 1-2 nl 6 handed

[ImJWish]

Ive just began learning to play nl and Im wondering if you can help with this hand and you would take a different line of action. I just sat down at the table and I have no reads on any of the players.
UTG
UTG+1
MP
Hero: Q9s
SB
BB
we each have around 200 to start
MP calls
HEro raises to 6
SB calls
BB folds
Flop: 962 all hearts
MP bets 2, Hero raises to 8 SB calls, MP calls
turn is a 8s. MP cehcks, HEro bets 15, SB calls, MP calls
rivers a Qc. MP checks, Hero checks, SB bets 20, MP raises to 50. Hero calls. I'll post results soon.