Low salt doesn't mean bland; can use lots of fresh or dried herbs and spices; can use garlic powder not garlic salt, etc.
Use pepper, lemon, vinegar, low salt versions of things like soy sauce (to get used to it). As taste buds get used to lower salt intake, start to prefer it. Products like mrs. Dash are savory blends, without salt (sodium chloride), contains Potassium Chloride
(ok if kidneys are.