You should spend some more time in studying the US system because Schumer can't insert a single judge into the process.
Only 1 person gets to nominate a judge. That's the President. The Senate confirms that judge. By tradition, not law, the senators from the home state of that judge can sign off or deny it. They both have to agree for that candidate to move forward to the judicial subcommittee. Once they pass the subcommittee they go to the floor vote.
Schumer, being in the Minority, can't do shit about it. He's got 1 vote, which can be overrulled by the majority members in both the committee and the floor. The committee leader is appointed by the majority leader... which is a Republican.