DH reminded me that we'd bought a $10 homemade dog pen that needed some work and might be able to make a pen for her -- though I don't know if he meant to break her or to let her raise chicks. :D
I have no rooster. She's sitting on golf balls.
I suppose I could take the golf balls away, but I have been booting her out of the nest and putting her up on the roost. Unfortunately, I'm working extra hours this week and won't have time for more than feed, water, and egg collection.
I have a hen gone broody and am unsure whether to break her once I'm sure that the weather is suited for the "dunk in cold water" method (see this thread here: https://www.backyardchickens.com/threads/get-out-of-that-nestbox.1459443/ ), because I have no ability to create a broody jail until...