Creamy Pesto Salad

• 300 g dry pasta
• 2 tbsp pickle juice
• 0.5 cup green pesto
• 4 tbsp Greek yoghurt
• 200 g semi-dried tomatoes, roughly diced
• 1.5 cup frozen peas, cooked
• 0.5 cup pickled red onion
• 100 g rocket
• 400 g canned chickpeas
• 20 g parmesan, grated