Season chicken with salt, pepper, garlic & onion powder.
Sear chicken in butter until golden & cooked.
Shred chicken after resting.
Sauté onion, celery, carrots in butter.
Add garlic, then flour to make roux.
Pour broth, add potatoes & spices, simmer.
Stir in cream cheese until smooth.
Add buffalo sauce, milk, and chicken.
Adjust seasoning, simmer briefly.
Rest soup 10 minutes before serving.