Seek the guidance of a colleague at work. Reach out to a mentor at or away from work. Turn to an online resource. Consult a book on managing.
Whatever you do, don't sit back and do nothing. Managing even one employee can be challenging. And many managers receive little or no formal training on how to be a manager. That means you have to be proactive about learning how to be a good manager.
Your team is depending on you, and to lead them effectively you need to know to how manage effectively. So, ask for help.