run docker run command to execute some command in remote host, best way is pre-define environment variable PASSWORD instead of passing ssh password in commandline. In below command, password is passed as environment variable to container.
export PASSWORD='yourpassowrd'
docker run -e PASSWD=$PASSWORD rsalian/centos-sshpass sshpass -p $PASSWD ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -n [email protected]@domain.com ls -lrt /var/log/