Food vs Formula


At my son’s 9 month appointment today, his doctor said he should be down to 20 oz of formula and eating three meals. I try to get him to eat more at meals but he usually won’t eat more than a half a tub of purée and typically won’t chew and swallow table foods. He was doing okay really early on but then he got sick a few times and his eating never went back to the way it was. Also, I thought formula/breast milk was the primary nutrition until 1- my first definitely drank 32 oz of formula until she was 1. He’s barely sleeping through the night so I really don’t want to cut his formula down, and I can’t seem to get him to eat real food.. help?