In a large saucepan or stockpot, boil water and add the chicken tenderloins and splash of vinegar. Boil for 10 minutes.
Using tongs, transfer the cooked tenderloins to a bowl and shred with a fork.
Add the whipped cream cheese and Greek yogurt and mix together with the shredded chicken.
Add the chopped jalapeño, shredded cheddar, and crumbled bacon bits. Stir to combine. Add the Ranch dressing mix and salt/pepper to taste.
Chill and serve Jalapeño Popper Chicken Salad on toast, crackers, or sandwich.