The Rebbe supports the girls' request for a prayer space, noting it strengthens their commitment to Yiddishkeit and future homes. He encourages finding a simple, suitable place and suggests they also learn halacha. He concludes with a reminder to maintain the daily study of Chumash, Tehillim, and Tanya.
https://www.torahrecordings.com/rebbe/igroskodesh/015/011/5587