Soften the cream cheese by microwaving until very soft, then set aside.
Cut each chicken breast in half lengthwise and season with garlic powder, salt, and pepper.
In a skillet, melt butter and olive oil, then sear the chicken for 5-6 minutes on each side until golden brown.
Sauté chopped onions in the same skillet for 5-7 minutes, then add minced garlic and cook for another 30 seconds.
Pour in chicken broth, softened cream cheese, Italian seasoning, and crushed red pepper flakes, stirring until smooth.
Add the seared chicken back into the skillet, warm through, and adjust seasoning if needed before serving.