Greek Chicken Sandwich

Ingredients

• 1 Tablespoon extra virgin olive oil
• 2 4 oz. chicken breasts
• 1/4 teaspoon sea salt
• 1/4 teaspoon black pepper
• 1/2 teaspoon dried oregano
• 1/2 teaspoon dried dill
• 1/2 teaspoon dried thyme
• Tzatziki Sauce
• 1/4 cup Greek yogurt
• 1/4 teaspoon cucumbers, chopped
• 1/4 teaspoon dried dill
• 1/2 Tablespoon lemon juice
• pinch of salt
• pinch of black pepper
• 4 slices crusty white bread
• 4 large cucumber slices
• several pieces red onion, thinly sliced
• 1 oz. feta cheese