Explanation:

- Dantidurga belonged to the Rashtrakuta dynasty.

- The Rashtrakuta dynasty was a powerful Indian dynasty ruling large parts of the Indian subcontinent between the 6th and 10th centuries.

- Dantidurga is known for establishing the Rashtrakuta Empire in the Deccan region of India.

- Chalukya: This dynasty was prominent in Southern and Central India and known for its art and architecture.

- Chola: An ancient Tamil dynasty, they ruled primarily in southern India and are famous for their temple architecture and naval prowess.

- Chera: Another ancient Tamil dynasty, known for ruling parts of present-day Kerala and Tamil Nadu.

Your chosen option is correct:

- Rashtrakuta (Option 3)