In a large bowl combine cooked orzo with pesto, olive oil, diced cucumber, sun-dried tomatoes, chickpeas, feta, parsley, arugula, and fresh lemon juice. Gently mix until combined.
3 heaping tbsp pesto, 1/3 cup sun-dried tomatoes, 1/3 cup feta, 1 cup arugula, 1 cup chickpeas, 1/2 lemon, 1 tbsp extra virgin olive oil