Hey kiddos if the large password breach has you worried about your re-use of passwords, it may be time to start using a password manager.
While 1Password and LastPass are fine choices, I prefer KeePassXC
Official site: https://keepassxc.org/
Official quick-start guide: https://keepassxc.org/quickstart/
My getting-started guide: https://sts10.github.io/2017/06/27/keepassxc-setup-guide.html
 1Password guide https://medium.com/@mshelton/introduction-to-password-managers-5e15baa8b26e