I'm sorry, I didn't see the reply with the pics. I'm sure the blind chick will be a challenge. I've read here that sometimes another chick will buddy up with the blind but honestly, I have no clue.
That's why I said ordinarily...the places to hide and preventing chicks from getting cornered by offering places to escape or hide is pretty standard and would likely work in your situation.
Awe, what a sweet girl Daisy is! I'd like to follow and see what suggestions you get. Ordinarily I'd say at least a month of see but no touch time. Regardless, if there's a way to add things to the run or yard where the chicks can get away from Gwyneth if she corners them, that has helped here...