Heat olive oil in a large skillet over medium heat.
Season chicken thighs with salt, pepper, and paprika, then brown them in the skillet for about 5 minutes on each side.
Remove chicken from the skillet and set aside.
Add chopped onion and garlic to the skillet, sauté until translucent.
Add sliced mushrooms and cook until softened.
Return chicken to the skillet, add chicken broth, and bring to a simmer.
Cover and cook for 25-30 minutes until chicken is cooked through.
Meanwhile, cook rice according to package instructions.
Serve chicken and gravy over rice, garnished with fresh parsley.