Go by a fast food restaurant and ask for their old pickle buckets (5 gallons). You can also go by a bakery and ask for their old frosting buckets (1-2 gallons).
All roosters will be a little abrasive during mating season and that is understandable. Agression toward humans can be genetic. I never breed a rooster that shows human agression. To back a rooster down, just carry a small spray bottle with water and a little ammonia. It will not hurt him...