Spicy Tomato Garlic Shrimp with Spaghetti Squash

spaghetti squash, halved lengthwise

olive oil

large raw fresh or frozen shrimp, peeled and deveined

yellow onion, diced

large cloves of garlic, minced

can crushed tomatoes

crushed red pepper flakes (depending on how spicy you want it)

kosher salt

dried basil

dried oregano

dried parsley

low sodium chicken broth

plain non fat or 2% Greek yogurt, room temperature