People who are blind learn where things are, spatially. They keep their homes simple and know where things are from memory. It may take some effort but if this chick is kept in a run and hen house, s/he may learn, spatially, where the food and water is as long its kept in the same spot. They can smell after all. Likewise with a sleeping place. Put his spot way down low so he doesn't have to try landing on a high perch.
As long as the babe isn't in pain, its worth trying if you have the time. Its all about quality of life. If its just blindness and the babe is pain free, I'd try it.
Free ranging will prove disasterous since s/he won't be able to find their way home.