Cook chicken in the Instant Pot and cook the wild rice separately on the stove according to the package directions.
In a large pot, sauté onion, carrots, and celery in olive oil for 4–5 minutes.
Add sweet potato, garlic, chicken broth, and seasonings. Cover and simmer for 10–12 minutes, or until the sweet potato is fork-tender.
Stir in the cooked chicken and cooked wild rice.
Add the cream cheese and stir until completely melted.
Stir in the milk and spinach and cook for another 2–3 minutes until everything is warm and creamy.
