Hey & welcome.
It sounds like you are looking for lessons on connecting strumming chords with walking basslines. These tutorials cover that topic in 4 different keys.
https://www.guitartricks.com/tutorial/2976/
https://www.guitartricks.com/tutorial/2977/
https://www.guitartricks.com/tutorial/2974/
https://www.guitartricks.com/tutorial/2975/
Anders also covers it in the country style course.
https://www.guitartricks.com/lesson/24922
Hope that helps!
Christopher Schlegel
Guitar Tricks Instructor
Christopher Schlegel Lesson Directory