Place uncooked wild rice, chicken breast, mirepoix, beef broth, and poultry seasoning into the slow cooker. Cover and cook on low for 7 hours. The chicken should no longer be pink and the rice should be tender.
Remove chicken breast from the slow cooker and shred with 2 forks. Return the shredded chicken to the crockpot.
Add desired amount of hot sauce. Season with salt and pepper.