Don't use much pyrodex here. The way I see it. If wanting convenience. Those pre-measured drop in pellets are the way to go. If wanting a specific powder charge tailored for your rifles utmost ability. Granular Pyrodex than.
Always pay attention to your weapons manufactures guidelines concerning suggested loadings and the proper propellent/s to use in their products.
"Do not follow where the path leads, rather go where there is no path and leave a trail."