Rep. Tim Ryan Timothy (Tim) RyanNow's the time to make 'Social Emotional Learning' a national priority Mourners gather outside Supreme Court after passing of Ruth Bader Ginsburg Lincoln Project hits Trump for criticizing Goodyear, 'an American company' MORE (Ohio), who unsuccessfully ran for the 2020 Democratic presidential nomination, endorsed Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE's White House bid on Wednesday, highlighting the former vice president's history with the working-class community.

"I know that Joe will be a voice for the many who are being left behind — workers losing their jobs to automation, unions fighting for fair wages, small business owners trying to get ahead," Ryan said in a statement.

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"Joe knows that working communities built America, and I know that Joe will go to bat for them as an increasingly globalized economy threatens the very work they do," he continued.

Ryan specifically cited Biden's stances on protecting and expanding ObamaCare, as well as raising the minimum wage.

"Joe will rebuild the middle class. Ohio is key to the presidency, and Joe is the only candidate who can win over the heartland and defeat Donald Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE," the congressman said.

Ryan dropped out of the Democratic primary last month after failing to gain traction in fundraising and polling.

The Ohio congressman has positioned himself as a moderate, advocating for working-class voters in parts of the U.S., like Ohio, who supported former President Obama throughout his presidency but supported Trump in 2016.

Biden has also highlighted his own middle-class roots with hopes of winning back those same voters who supported Trump in 2016.