Feeding my cat? need some advice here?

Ok so i have had my cat for 3years, she is 4 now, i have feed her All dry food, until about a 2 month ago, when i found out that they needed wet food to keep hydrated, now i don't need any rude comments, i have had cats all my life, and NO ONE, not even my vets when i asked said they Had to have wet food. Anyway now i feed her a full Can of wet food every other day, with about an 1/8 of a cup of dry under neath for her teeth. the days that i don't feed wet food she is free feed dry food, but never really eats more than a 1/2 cup IF that! I need to know if this is enough wet food for her, feeding her less than a can in a sitting is not really an option i have an boyfriend that won't allow it to be put in the frig. so anyway, is this enough wet food, is it enough dry food? i'm kinda lost here!