"The decision by the US Attorney's Office in NY to conduct their investigation using search warrants is completely inappropriate and unnecessary", Ryan said in astatement.
The reported show of force by the USA comes just days after a devastating chemical attack killed and injured dozens of Syrians in the city of Douma.
Syria on Wednesday called US threats to attack it "reckless" and said they display a lack of "wisdom and logic" and endanger worldwide peace and security.
As NPR's Michele Kelemen reports, the resolution "would condemn the latest reports of a chemical attack and demand access to the scene in Douma".
President Bashar al-Assad's government and Russian Federation, his most powerful ally, said there was no evidence that a gas attack had taken place and the claim was bogus.
As many as 150 people were reported dead with 1,000 more injured from the suspected chemical weapon attack.
It comes after Syria and its military backer, Russia, both said they wanted to facilitate a visit by inspectors.
The alleged attack over the weekend killed 14 people in Douma, a rebel-held area in the Damascus suburbs, according to the Britain-based Syrian Observatory for Human Rights.
Lord Hague, who was foreign secretary when then prime minister David Cameron lost a Commons vote he wanted to back action in Syria, said the aftermath of the defeat left the United Kingdom "enfeebled spectators of one of the most destructive conflagrations of our time".
Syria has denied accusations it unleashed a gas attack on the town of Douma, the last opposition town in the battered enclave of Eastern Ghouta near Damascus. Almost 50 people are thought to have died, many of them children.
The attack comes nearly exactly a year after a chemical atrocity in the northern Syrian town of Khan Sheikhoun killed dozens of people.
It consistently says the crisis needs a "political solution" but has numerous times vetoed UN Security Council measures aimed at addressing the conflict - including an investigation of war crimes in the country.
The French representative at the UN Security Council said poison gas had deliberately been used as it could seep down to the basements.