We have a potentially ill rooster. We have had our flock for 3 weeks and all minus one were already an establish flock. I've noticed the roo seemingly shivering (but it was -5 outside...) so I figure he was a little cold. I touched him and his skin seemed warm so I didn't worry about it a whole lot. He has been laying down as if he was brooding in the coop but he gets up if I enter or offer scratch. The main reason I am now concerned is because he has been out in the run all day in the rain/cool weather and super windy conditions (everyone else went back in, he usually pops in and out). When I was checking on him he had a great deal of difficulty getting up and was initially wobbly. I thought maybe one foot was injured so we picked him up and cleaned it up - no obvious injury. He is molting I think and is a bit dirty (coop is kept clean, other birds are doing well). We are new to this, any suggestions would be appreciated. I'm going to attach a picture of his foot I was initially worried about. I'm hoping I'm overreacting.