Sorry about your hen, @GirlsHuntToo ! Here are some articles.
https://www.backyardchickens.com/articles/stuck-egg-collapsed-egg-hanging-from-vent-prolapse-oh-my-what-to-do.76124/
https://www.backyardchickens.com/articles/egg-binding-symptoms-treatment-and-prevention.66978/
I hope she's...