Built the coop and run for our backyard friends. First time owners of chickens. Purchased 5 that are about 16 weeks old. The RIR we got was a little teary eyed when we brought her home and of course we didn't know what to look for. Since this she has been getting worse and worse and now spread to a couple other ones ( all different breeds ). She is now just laying there without eating or drinking and eyes completely shut. Others have one eye shut that are showing symptoms of a cold or something. We we suggested to use VetRX twice a day on mouth and flush eyes out with something like contact lens cleaner, which we have now been doing for 3 days. The RIR is getting worse and we are reading that it may be CRD. We have no way to separate the sick ones and feel the damage may already be done. Also reading that it spreads very easily to additions to the flock down the road. At this point I have texted the seller is we can return them. We will clean the coop and run and wait 30 days before getting a new flock for the family. Me, wife and 3 little girls are all dry anxious to enjoy chickens but I feel we may have been sold sick chickens either with or without this being known. Now we are unsure of what to do. We are now thinking of returning if possible ($50) and getting new borns, just over the age of needing the heat lamp. Thoughts? Ideally we want to keep them in their coop and run (20ft x 6ft) all the time except a couple times a week to let them run around the back yard. We do not have much knowledge and would like to just feed, water, clean up and enjoy them. Please let me know what we should do. Again, we do not want sick chickens and have to go through the doctoring every few months and be stressed out and then they may not even lay eggs for us. We just want to enjoy these girls!!!