Once you’ve cooked macaroni and it’s cooling, stir in apple cider vinegar and set aside.
In a medium bowl, whisk together pineapple juice and sugar, stirring until sugar has dissolved, then mix in mayonnaise and yogurt.
In a large bowl, add macaroni, pineapple chunks, diced ham, carrots, and green onion.
Add dressing and toss together until combined. Serve immediately or refrigerate for 20 minutes to 2 hours.