Salt zucchini noodles and let drain 15 minutes, then press dry with paper towels.
Cook seasoned chicken in olive oil until golden and cooked through. Set aside.
Sauté onion and garlic, then whisk in cream cheese, heavy cream, and chicken broth until smooth.
Stir in tomatoes, cooked chicken, half the cheese, and paprika. Fold in drained zucchini noodles.
Transfer to a baking dish, top with remaining cheese, and bake at 375°F for 20 to 25 minutes until bubbly and golden.
Rest 5 to 10 minutes before serving, garnished with parsley.