Based on my experience, I think a chapter a week is pretty good. If you are able to keep that pace working on your own you are probably doing well.
It's good to have a separate reference and, of course, a good grammar and dictionary to help make sense of things. I'm not able to get everything by induction from LL. I've needed other resources, though I continue to work with it as a reader and I continue to learn from it.
Thanks for sharing your study method, as well. I like reading aloud as well. For me, however, my first exposure to Latin was in choir, so I'm perfectly happy to pronounce Latin without bothering about what it means. I'm sure that helps, but probably not as much I would hope.