32 weeks; helping or harming milk supply?

C • •Married January 6th 2018 • Expecting January 5th 2019• 💕❄️✨

I’m 32 weeks & about 2 weeks ago my one breast leaked for the first time. Today in the shower I noticed I could squeeze some milk out (the tiniest bit). Is it helping or hindering my supply to do something like that? Is there anything you can do in advance to make sure your milk comes in?