Chopped Chicken Salad

• 250 g cooked chicken
• 1 cucumber
• 1 tomato
• 0.5 red onion
• 0.5 iceberg lettuce head
• 0.25 cup dill, loosely packed plus extra for dressing
• 1 large avocado
• 0.25 cup water
• 0.25 cup extra-virgin olive oil
• 0.25 cup fresh lemon juice
• 0.5 garlic clove
• 1 tsp honey
• 0.5 tsp sea salt
• 0.5 tsp freshly ground black pepper