I would address the crop symptom and see if you can get it to start emptying. This article will walk you through treatments.
https://www.backyardchickens.com/ar...w-to-know-which-one-youre-dealing-with.73607/
https://www.backyardchickens.com/ar...w-to-know-which-one-youre-dealing-with.73607/