creamy chicken tortilla soup

Ingredients

• 1 large rotisserie chicken, boned and skinned
• 1 package cream cheese (8 oz)
• 1 package taco seasoning mix
• 1 large stalk celery, sliced thin or chopped
• 2 - carrots, peeled and chopped
• 1 can petite diced tomatoes (14.5 oz)
• 1 can mild green chilies (these come in small cans, 4 oz)
• 1 quart chicken broth
• 1 small yellow onion, chopped
• 4+ cups water (as needed)
• 1 package shredded cheddar, jack or Mexican blend cheese (8 oz)
• - salt and pepper, to taste
• 1-2 - avocados, sliced (optional)
• 1 package tortilla chips