At this stage there isn't much to do. You know what you have and you know what everyone else around the online poker table has.
According to Seven Card Stud Hi/Lo Poker Sixth street strategy, if you are drawing to the low, you can possibly get away with it if you don't have to bet too much to stay in the hand and there aren't too many dead low cards. As online poker strategy always advises, the shorter-handed the hand is, the better your chances are, but that is typically how online poker workds
If in any doubt, your best Seven Card Stud Hi/Lo Poker Sixth street strategy bet is to fold or check if you are able to.
By this stage most people are well and truly pot-committed.
Don't be afraid to bet big to try and not drawing hands out.