Rinks closest to Bethesda are Cabin John, Rockville, Wheaton, Wells and Medstar in Ballston.
It depends where in Bethesda you are for where the nearest program is.
Right now - it is most important to learn to skate. Skating fundamentals (on hockey skates) will enable the rest of it to be fun.
Get skating lessons at the closest rink and make a commitment to practice skating 1 time a week outside of the lessons. Here is the link for parks and rec:
https://montgomeryparks.org/wp-content/uploads/2024/11/Program-Guide-Winter-2024-PRESS_a11y_Tennis-Update.pdf
(Jump to page 74 - Winter term 2)
She will NOT want to be in these classes because there are little kids in them. (ages 6-12) but this is how it works.