HELP! PUMP & DUMP?

Alyssia • Thankful- Grateful- Blessed 🙌🏼🙏🏻 Alessandra Grace 💖 4/18/16 Leonel Jaxson 💙 1/22/20
Hey ladies FTM. Baby is 6w had a bbq today and had about 3 drinks plus half a shot. No drinks after 630pm. I pumped at 830. Should I dump that milk??? Also do I only pump and dump once or can I nurse for next feeding?