Sen. JD Vance speaks to a child at a rally in Arizona.Anna Moneymaker/GettySen. JD Vance on Sunday proposed a $5,000 child tax credit.The vice-presidential candidate wants to position the GOP as the party with pro-family policies.But Vance missed an early August Senate vote on a child tax credit expansion.Sen. JD Vance could use an image boost.Since becoming former President Donald Trump's pick for vice president, the Ohio Republican has been hounded by some controversial past comments.From previously calling himself a "never Trump guy" to disparaging several top Democratic Party leaders as "childless cat ladies," he's repeatedly had to address remarks that have raised eyebrows.Amid his ongoing effort to solidify his image as pro-family (but not in a "weird" way), Vance on Sunday floated a generous $5,000 child tax credit during an interview on CBS' "Face the Nation.""I'd love to see a child tax credit that's $5,000 per child.