Chicken & Cauliflower Meatballs {Paleo, Whole30, dairy-free, egg-free, nut-free}

ground chicken 1/2 tablespoon Italian seasoning 1/2 teaspoon garlic powder 2 green onions, chopped 1 1/2 cups riced cauliflower (if using frozen, defrost first and drain off extra liquid) 1/2-3/4 teaspoon sea salt or to taste black pepper to taste