It is best to arrange for a professional such as an experienced DJ or ballroom dance instructor.
Unfortunately, these dresses are not meant to withstand the kinds of movement and stress that ballroom dance will bring to them.
In hip hop, for example, one could look up the history of the form, or if a ballroom routine were desired one would research ballroom dance steps.
Any ballroom dance pedagogy is going to benefit from a structured lesson plan, and usually the package plans from studios such as Arthur Murray or Fred Astaire will have a more disciplined approach to helping you learn rumba.
Some ballroom dance methods actually have the dancers start on the third "cha" step just so that everything else will fall into place starting on the "one" count.