Hey, you bought that Logan. Great. I'm sure you'll have a lot of fun with it.
The dividing head? Don't sweat it (clean it, preserve it and put it ina back corner). It is the sort of tool that one does not use very often (especially without a milling machine), but is a game changer when you need it. However, when you do need it, if you have to go out and spend real money - it can set you back a lot. Yet to simply sell it right now, you'll very little for it.
I'm sure you'll be looking for a mill soon enough (that is where the dividing head will shine). You may find it is a useful barter tool for something else you "NEED".
For now, get that lathe up and running - make some chips.