What s wrong with my Ford? Besides it being a Ford lol?

I have an 06 Ford Taurus SE and I just put a new motorblower fan in so it can have heat again this winter. And it worked fine on the way home. And now its next problem is that when I left my place an hour after my friends place all the lights went dark even my cars headlights. The raido sounded off too. And when I got a block a away I can feel the Ford jump forward a lot since it was slowly dying then I noticed that my battery check light popped on and when I made it to my driveway all lights went out and its now sittinf dead amd don t know what to do. A friend says its my alternator is shot but not entirely sure.

Read more: What s wrong with my Ford? Besides it being a Ford lol?