2008 Outlook XR whining under hood at stop

I have 27,500 miles. At a stop, a whining sound is evident. I am not sure if it is the belt, transmission, or something else. Anyone else have this issue and what has been done to correct it?

Isn’t this vehicle still under warranty?
If it is, you don’t need to diagnose the problem.
Simply take it to the dealership for free warranty-related diagnosis and repair.