He did go back in. There's a camera in there. They're both just standing in there walking around.
Thank you for your kind words,
@WoDia but this chicken has been a thorn in my side all these years. She must be older than I think as she was an adult when someone dumped her on me as they couldn't keep her, her sister, or the rooster. The rooster is wonderful. Her sister died a couple of years ago. Both of those girls were yard tirants. I have had to stand outside when giving them all fermented feed or treats because I'd lay a dish right in front of her face, but as soon as she sees the younger ones have a dish, she chases them off and eats theirs, the exact same thing. So every other day when the ferment is ready, I stand outside for half an hour guarding the younger ones' dish from her. The old rooster and the other hens stay to the first dish.
I am sad, as we've had her so many years, but in a way, her going will bring a little peace around here.