as already said keep it simple. Maybe add beans as a side if you have a good recipe. another possible is bbq nachos. chips then cheese sauce then pulled pork and bbq sauce with jalepenos optional. for the first time ribs are hard to do. don't hold as well especially without proper holding. chopped brisket is also a good seller for me. holds,cools,reheats very well.
Retired competition cook. BBQ mentor.