€0.10/€0.25 No Limit Holdem 
5 Players 
Hand Conversion Powered by weaktight.com 

Stacks: 
UTG (€9.75) 39bb 
CO (€9.75) 39bb 
BTN (€28.60) 114bb 
SB (€10.35) 41bb 
4StarGeneral (BB) (€25) 100bb 

Pre-Flop: (€0.35, 5 players) 4StarGeneral is BB 9 9 
1 fold, CO calls €0.25, 1 fold, SB raises to €0.50, 4StarGeneral calls €0.25, CO calls €0.25 

Flop: 5 3 7 (€1.50, 3 players) 
SB checks, 4StarGeneral bets €1.27, CO calls €1.27, SB folds 

Turn: 4 (€4.04, 2 players) 
4StarGeneral (€23.23)? 

CO is a fish playing 50/13 over 55 hands
SB is playing 43/17 over less than 10 hands

I don't like isolating pre with this stack sizes, I don't know much about the opponents and I have no clue about what to do on a flop.
As played, on the flop, it's pretty likely that I have the best, but vulnerable, hand.
Now on the turn the SPR is 2 and I feel any decision is going to be wrong