too soon for baby food?

My baby will be 6M in like a week & a half. he’s a chubby boy, fitting into 9M clothes already but will only drink milk/bottle feed. He does like any food. My daughter would reach for my food & try to eat off my plate by this stage when she was a baby so i’m a little concerned… is this normal? i’ve just never seen a 5/6M old chubby baby reject food 😂