When you are a content writer then your resume should be accurate because hiring manager will knows that you are a writer, if a content writer resume will not be good then it means you are not a content writer. You should need to clearly define your ability and responsibilities in the resume.
A content writer resume should have the experience and skills. Add your experience and skills which will highlight your talent when hiring manager review your resume. Sometimes candidates don’t reveal their skills and talent in the resume one by one and that’s why hiring manager will not get that candidate have the good skills. You must have to reveal in the resume that you have the ability to create content, uploading content, etc.
You should summary of you educational qualification and working experience. Hiring manager wants to read your working experience and skills not your hobbies and all that. Hobbies are a good part of resume but you need to focus on the working experience and skills.
Your resume should have the all details, it means hiring manage don’t need to ask anything to you. It is not possible that hiring manager will not ask you anything to you in the interview but as much as you need to explain about your experience and skills on your resume.