Low Carb Creamy Cajun Chicken Pasta

spaghetti squash

lbs. boneless skinless chicken breast, cut into chunks

Cajun seasoning, divided (or more)

olive oil

red pepper, sliced thin

green pepper, sliced thin

red onion, sliced thin

garlic, minced (or more)

fire roasted diced tomatoes (not drained)

reduced fat cream cheese

scallions