You could get lots of debating answers on this, as people use all kinds of different things.
I'd say your owners manual probably recommends Mobil 1 however, most likely 10w30. I'd stick with that cause you can't go wrong.
As for the filter, I'd go with a Mopar filter or Mobil 1 also.
All supplies can be purchased at Walmart for the best price.
As for the amount of oil to use, trust your dipstick, every year is slightly different on the amount. Buy 10 quarts to be safe, but you may not need that many.
For the cost of two oil changes at the dealer you can by all the tools needed to change the oil yourself, including a jack.