Oof, the worst timing ever - company over AND the dishwasher picks that exact moment to stage a protest. My neighbor had basically the same situation last Thanksgiving. Finished the big meal, loaded everything up, and stood there for 20 minutes wondering why there was a small lake forming at the bottom. She tried the whole filter cleaning thing, checked the drain hose - nothing. Guests awkwardly offered to help hand-dry dishes. It was... a whole thing.
She ended up calling https://highcityappliance.com/lakewood they came out next day, turned out to be a clogged pump. Fixed pretty fast and didn't overcharge her. Seems like they actually know Lakewood well. Might save you from round two of the sink marathon.