Drdrinking and pumping

So last night I was sharing a drink with my friend and I had maybe 5 decent sips off of it, but never had a complete full drink. I didn’t pump last night after because I fell asleep. I am pumping now and plan on dumping it then breastfeeding tomorrow morning. My question is do I even have to dump what I’m pumping tonight since I didn’t drink too much and I waited basically 24 hours before pumping. Not sure how drinking and breastfeeding work since I’ve never attempted it. I also supplement with formula most of the day since I don’t produce a lot anyways.