yes; see the link in post 32 above for keyhole beds with built in compost heap
https://www.backyardchickens.com/threads/chicken-poop-when-you-don%E2%80%99t-compost.1598079/post-27171508
happy to help. Here's a simple guide to this simple technique from the people who make the flagship BBC Gardeners' world
https://www.gardenersworld.com/how-to/maintain-the-garden/how-to-make-a-composting-trench/
the chicken poop will act as an activator and make it rot down even faster
you can, but it'll break down faster if it's mixed with garden waste and soil either by burying it or making a compost heap. You can combine your plans in an accessible raised veg bed-cum-compost heap, and achieve both aims simultaneously :D See e.g. https://insteading.com/blog/keyhole-garden/
not even weeds growing there? is there something wrong with the dirt in that bed?
Assuming it's ordinary soil just lacking plants at the moment, you could open a traditional bean trench, throw the chicken poop + any kitchen waste in through the winter, covering with a sprinkle of the dug-out...