Q: How can I view, edit and delete keychain passwords?

http://www.macobserver.com/tmo/article/getting-started-with-apples-keychain-pass word-manager

http://computers.tutsplus.com/tutorials/unlock-the-power-of-your-macs-keychain-u tility--mac-48730

Frequently asked questions about iCloud Keychain - Apple Support

This will sort out your issues and it will give you a clean installe on your Keychains.

Depress the ctrl key once do that you are seeing :

Finder -  File - Edit – View – Go – Window – Help

Navigate to Go whilst depressing alt which then shows the file: Library

Which then shows a Keychains folder in the stack.

Drag that folder onto the desktop and reboot.

This then creates a new virgin Keychains folder which should resolve your problems. 

Keychain is in your Utilities Folder

~/Applications/Utilities/Keychain Access.app

You can delete entries here.