I know you're not going to want to hear this, but I think you need to get rid of the rooster. Neither of you seems comfortable asserting your dominance over him and at this point I'm pretty sure he thinks he's the boss of you. It's not going to get better, chickens spend much of their time defending their spot in the social order and he's not just going to decide to be nice to you because he grows up. He doesn't understand being nice to him or bringing him treats. As you stated, he's not a dog and does not think like one. He's intact male livestock and needs to be treated with respect and also needs to understand he's not dominant to you. From what you've said, I'm not sure you're going to be able to assert your dominance and he's going to hurt one of you.
Until you decide to get rid of him, please keep any small children away from him. You can make informed consent to possibly get hurt, a child can't and a rooster can do severe damage to a child.
Until you decide to get rid of him, please keep any small children away from him. You can make informed consent to possibly get hurt, a child can't and a rooster can do severe damage to a child.