TL;DR: (As a Team Lead) Setup a monthly anonymous survey for your team to peer review your leadership soft-skills (as per re:Work). Include additional open ended questions. Summarize results with your team at next retro.
Using an online survey to collect feedback from your team and using your regular sprint retrospectives to disseminate the results and process changes.
Based on re:work's original Manager Survey Questions complemented with additional behavioural questions.
- Honesty builds trust
- Google Re:work did awesome work on this already  an questions can be seen here 
Got any Questions? Ask me on the Advice Page
Create Trust: Team Lead Evaluation & Feedback Survey