The best solution is ExoWin3.x. It's fully integrated with Launchbox. Similarly, ExoDos is the best solution I know of for DOS games.
https://www.retro-exo.com/index2.html
You can also join the discord if you need help: https://discord.gg/SaMKayf
I'm hoping someone on this server will eventually make a nice Win3.1 BigBox cinematic, but no luck so far