You're off to a great start! Keep it going. There is nothing "normal" about a chicken thinking it's OK to attack the giant that brings food.I put on my insulated Carhartt bibs so I would not react to him pecking and walked into him pushing him out of my way then walked away like I had something to do. When he chased me I turned around and walked toward him making him back up 5-6 feet. Then I stood still in front of him and in a bit he started pecking the ground like nothing happened. I walked away and he did not follow. Not raising my foot and just pushing him backward got a better response than reacting to the peck. Need to do more positive none reactive training so he knows the 175 pound chicken is boss.
Thanks
JT