In a 4-5-qt. slow cooker, combine broth and dressing mix; add chicken. Cover and cook on low for 6 hours. Remove chicken to cutting board; shred with two forks and return to slow cooker. , Stir in soup and cream cheese. Cover and cook on low until cream cheese is melted, about 30 minutes. Serve over rice or noodles. Add optional toppings as desired.