Get the shed... convert it.... then use a dog kennel , modified using some hardware cloth along bottom edge and an apron either buried or as an apron for the chicken run. Then send or cancel the ones you ordered.... the prefab coops have a lot to be desired.
Search dog kennel for run here... you will get tons of ideas. Same with the shed!
Search dog kennel for run here... you will get tons of ideas. Same with the shed!