I use Unique for mine. But, like RiverRider stated, Red Dot, Bullseye and several others will work just as well. As for the amount (charge weight) of powder - pick up a couple of reloading manuals or just check some of the one's online for the powder(s) you have - Hodgden has one of the better online loading books.
Pay it forward - Kids are the future.
Rifles are similar to boats and young women...there's no end to how much money you can pour into them without making them any more useful.