Starter spins when I let go of key

Hello and thank you for using 2CarPros. There was a recall for the ignition switch being faulty. The recall does not address your concern but a faulty ignition switch could cause the starter to stay engaged. Here is a link where you can check for the recall:

https://www.nhtsa.gov/recalls

That should be your first step. Let us know if this is the case. The recall was for another issue where the key could be removed prior to putting in park but sometimes in rare circumstances it can cause another issue like what your describing and keeping the starter engaged?