Food help and schedule

I have a couple questions regarding what I feed my cat. I mostly feed her Fancy Feast Classic Pate wet food with the occasional Nulo Medal Series. I feed her 4 times a day. Once at 7 a.m., then at 11 a.m, then at 3 p.m and then at 7 p.m. Am I feeding her too much? I giver her half a can of Fancy Feast at every meal. Is Fancy Feast good for cats or should I feed her a different brand? I get conflicting information when it comes to feeding her dry food. Is dry food good? Also I heard fish isn’t good, is this true? And finally I’ll use the Purebites chicken breasts as toppers or as treats but I’ve heard conflicting information over feeding cats raw food and these treats are raw freeze dried treats. Can I get some help here?