Rukia
Yes. Rukia is used in Muslim communities as a variant of the Arabic name Ruqayyah (رقيّة), which is historically attested in early Islamic sources.
Rukia is a regional variant of Ruqayyah. Ruqayyah bint Muhammad is a historical figure (one of the Prophet Muhammad’s daughters), so the name has respected historical associations.
No. The name Ruqayyah (and its variants like Rukia) does not appear in the Qur'an; its notability comes from historical biographical sources (Sira and Hadith literature) rather than Qur'anic verses.
In Swahili and East African usage it is commonly pronounced 'roo-KEE-ah' with stress on the second syllable.
Yes. It is a traditional, respectable name with a positive meaning (ascent/elevation) and historical connection to Islamic history; its regional flavor also makes it a distinctive choice.