Cook ground turkey, onion, and zucchini in a deep skillet till turkey is cooked through, onion is translucent, and zucchini until it is crisp-tender. Season mixture with the seasoned salt, pepper, and red pepper to taste. Add spaghetti sauce, and tomato sauce to skillet and stir to combine. Heat on medium-high until bubbling, then set heat to low and let simmer for 20 minutes. Taste and add more seasoning as needed.