Pressure Cooker Ranch Chicken with Parmesan Potatoes

Ingredients

• 4 boneless skinless chicken breasts
• 3 tablespoons olive oil
• 3 tablespoons grated parmesan cheese
• 1/2 teaspoon black pepper
• 1 teaspoon dried thyme
• 1 teaspoon garlic powder
• 4 teaspoons dry Ranch seasoning, divided
• 1/2 teaspoon dried oregano
• 1 cup chicken broth
• 1 1/2 teaspoons salt
• 1/2 teaspoon dried basil
• 2 pounds baby red or gold potatoes, halved